Yuanhua Luan

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method, apparatus and system for implementing login of IP telephone...
- Patent number 9,380,084
- Issue date Jun 28, 2016
- Huawei Technologies Co., Ltd.
- Kai Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD, APPARATUS AND SYSTEM FOR IMPLEMENTING LOGIN OF IP TELEPHONE...
- Publication number 20140177628
- Publication date Jun 26, 2014
- Huawei Technologies Co., Ltd
- Kai Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR DETERMINING INTERNAL USER FOR CALL CENTER...
- Publication number 20090175435
- Publication date Jul 9, 2009
- Huawei Technologies Co., Ltd
- Zhou Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE